does not associate posts to the author

Hi Laszlo. If you want this functionality add the following code to your functions.php file:

function mpd_keep_post_author($mdp_post, $mpd_process_info){

  $mdp_post['post_author'] = get_post_field( 'post_author', $mpd_process_info['source_post_id'] );

  return $mdp_post;

}

add_filter('mpd_setup_destination_data', 'mpd_keep_post_author', 100, 2);